/* 
 * Copyright (c) 2009, Giora Kosoi giorak@gmail.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Giora Kosoi ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Giora Kosoi BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <signal.h>

#include <sparrow/reactor.h>
#include <sparrow/udp_receiver.h>
#include <sparrow/udp_sender.h>
#include <sparrow/udp_echo.h>


void usage()
{
    printf(
            "usage: prog ADDRESS PORT MESSAGE_SIZE\n"
            "example ./udp_echo 127.0.0.1 7 7007\n");
}

int main(int argc, char **argv)
{
    if(argc < 4)
    {
        usage();
        exit(1);
    }
    std::string udp_echo_parameters = std::string(argv[1]) + " " + argv[2] + " " +  argv[3];
    printf("starting udp echo server with parameters  %s\n", udp_echo_parameters.c_str());
    Reactor *echo = new Reactor;
    UdpReceiver *udp_receiver = new UdpReceiver(echo, udp_echo_parameters);
    UdpEcho *udp_echo = new UdpEcho(echo, "");
    UdpSender *udp_sender = new UdpSender(echo, "");

    // connections
    Handler::connect_output(udp_receiver, 0, udp_echo, 0);
    Handler::connect_output(udp_echo, 0, udp_sender, 0);
    
    echo->start();

    sigset_t sigset;
    sigemptyset(&sigset);
    sigsuspend(&sigset);

    return 0;
}

